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Finding the Fourth Proportional to 349,888.32, 524,155.82 and 293,053.58

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Solution

The fourth proportional to 349,888.32, 524,155.82 and 293,053.58 is: 439,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,888.32 : 524,155.82 = 293,053.58 : x
  2. Step 2: Convert to fraction form
    349,888.32/524,155.82 = 293,053.58/x
  3. Step 3: Cross multiply
    349,888.32x = 524,155.82 × 293,053.58
  4. Step 4: Simplify right side
    349,888.32x = 153,605,739,528.84
  5. Step 5: Solve for x
    x = 153,605,739,528.84/349,888.32
  6. Step 6: Final answer
    x = 439,013.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.